DevTools: Make StepInto work across script boundaries and Blink process tasks.

Source/core/inspector/InspectorInstrumentationCustomInl.h

 /*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 namespace InspectorInstrumentation {
 
 bool isDebuggerPausedImpl(InstrumentingAgents*);
 bool collectingHTMLParseErrorsImpl(InstrumentingAgents*);
 PassOwnPtr<ScriptSourceCode> preprocessImpl(InstrumentingAgents*, LocalFrame*, const ScriptSourceCode&);
 String preprocessEventListenerImpl(InstrumentingAgents*, LocalFrame*, const String& source, const String& url, const String& functionName);
 void appendAsyncCallStack(ExecutionContext*, ScriptCallStack*);
 
 bool canvasAgentEnabled(ExecutionContext*);
 bool consoleAgentEnabled(ExecutionContext*);
-bool timelineAgentEnabled(ExecutionContext*);
 
 inline bool isDebuggerPaused(LocalFrame* frame)
 {
     FAST_RETURN_IF_NO_FRONTENDS(false);
     if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsFor(frame))
         return isDebuggerPausedImpl(instrumentingAgents);
     return false;
 }
 
 inline bool collectingHTMLParseErrors(Page* page)
@@ skipping 18 matching lines @@
     if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsFor(frame))
         return preprocessImpl(instrumentingAgents, frame, sourceCode);
     return PassOwnPtr<ScriptSourceCode>();
 }
 
 } // namespace InspectorInstrumentation
 
 } // namespace blink
 
 #endif // !defined(InspectorInstrumentationCustom_inl_h)